Zhi Li Xiaoqing Zhu Ali C. Begen Bernd Girod Peer-assisted packet loss repair for IPTV video multicast. 401-410 2009 ACM Multimedia http://doi.acm.org/10.1145/1631272.1631328 conf/mm/2009 db/conf/mm/mm2009.html#LiZBG09